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Noncardiac findings occur in 10% to 60% of cases depending on the patient population studied. Although most of the abnormalities will turn out to be benign, important findings such as pulmonary embolism and lung cancer occur. Not all important abnormalities will occur within the coned down field-of-view for evaluating the coronary arteries, and the entire study should also be reviewed with an expanded field-of-view. In particular, the typical screen detected cancer occurs in the lung periphery. It is important to have a practical approach in detecting and evaluating incidental findings so as not to cause undue cost or patient anxiety, while ensuring timely management of critical diseases.